hi doctor. Am 22yrs, i got matured at the age of 15, i have been getting irregular periods since then, consulted doctors in between i had megest tablet then got periods,reports are normal, now again the same problem repeated. I didnot get periods since 3months and had megest tablet for 3days, its been 5days even though i haven t get my periods. Am very scared, could you tell me why didn t i get periods even after taking megest tablet?? Plz respond..Thanq